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Fencer Intel
medium 4.3

CVE-2010-3886 json

The CTimeoutEventList::InsertIntoTimeoutList function in Microsoft mshtml.dll uses a certain pointer value as part of producing Timer ID va…

published 16y ago modified 4mo ago also EUVD-2010-3864

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.5%
EPSS 16.5% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

The CTimeoutEventList::InsertIntoTimeoutList function in Microsoft mshtml.dll uses a certain pointer value as part of producing Timer ID values for the setTimeout and setInterval methods in VBScript and JScript, which allows remote attackers to obtain sensitive information about the heap memory addresses used by an application, as demonstrated by the Internet Explorer 8 application.

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Timeline

  1. First public exploit (EDB-14295)
  2. Published

Exploit prediction

16.50% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-14295 Microsoft - 'MSHTML.dll' CTIMEOUTEVENTLIST::INSERTINTOTIMEOUTLIST Memory Leak dos, 2010-07-09
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2010-06/0259.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.